The JTS knee is a non-invasive extendible implant which allows for controlled lengthening post-surgery.

Designed for paediatric patients, the lengthening is carried out in a clinical setting powered by the interaction between a magnetic coil and the implant’s internal magnet. The design eliminates the need for multiple lengthening surgeries, anaesthesia, or sedation, and therefore helps reduce the risk of complications and the need for limb reconstruction surgery.


  • Saves life, limb and function
  • Extension occurs in healthcare environment
  • Reversible
  • No need for revision once skeletal maturity has been reached
  • Hybrid fixations allows for osseointegration at bone-implant interface
  • Immediate load bearing
  • Reproducible quantities of extension

Each prosthesis is designed specific to the patient with a variety of options available:

  • Distal femur,
  • Proximal femur
  • Total femur
  • Proximal tibia

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Contact information

IdealMed Ltd
Unit A2, Beech House
Oaklands Office Park, Hooton
Cheshire, CH66 7NZ

+44 (0)151 329 0427